MCQ
- A160°
- B60°
- C30°
- D80°
✓
Answer
- 60°
Solution:
$∴\ \angle\text{A}+\angle\text{B}=\angle\text{ACD}$
$⇒\angle\text{A}+50^\circ=110^\circ$
$⇒\angle\text{A}=60^\circ$
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